Richard Koch is a former management consultant, entrepreneur, and writer of several books on how to apply the Pareto principle (80/20 rule) in all walks of life. Richard has also used his concepts to make a fortune from several private equity investments made personally. Richard’s investments have included Filofax, Plymouth Gin, the Great Little Trading Company and Betfair. Previously he had been a manager at Boston Consulting Group and later a partner at Bain and Company, before leaving to start management consulting firm L.E.K. Consulting with Jim Lawrence and Iain Evans.